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Finding the Fourth Proportional to 118,523.52, 177,794.44 and 39,638.08

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Solution

The fourth proportional to 118,523.52, 177,794.44 and 39,638.08 is: 59,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,523.52 : 177,794.44 = 39,638.08 : x
  2. Step 2: Convert to fraction form
    118,523.52/177,794.44 = 39,638.08/x
  3. Step 3: Cross multiply
    118,523.52x = 177,794.44 × 39,638.08
  4. Step 4: Simplify right side
    118,523.52x = 7,047,430,236.28
  5. Step 5: Solve for x
    x = 7,047,430,236.28/118,523.52
  6. Step 6: Final answer
    x = 59,460.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.